140423560 has 32 divisors (see below), whose sum is σ = 318087000. Its totient is φ = 55790080.

The previous prime is 140423557. The next prime is 140423593. The reversal of 140423560 is 65324041.

It can be written as a sum of positive squares in 4 ways, for example, as 62948356 + 77475204 = 7934^2 + 8802^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5821 + ... + 17740.

Almost surely, 2^140423560 is an apocalyptic number.

140423560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140423560 is an abundant number, since it is smaller than the sum of its proper divisors (177663440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140423560 is a wasteful number, since it uses less digits than its factorization.

140423560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23721 (or 23717 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 140423560 is about 11850.0447256540. The cubic root of 140423560 is about 519.7725336488.

It can be divided in two parts, 1404 and 23560, that added together give a square (24964 = 158²).

The spelling of 140423560 in words is "one hundred forty million, four hundred twenty-three thousand, five hundred sixty".